Pith Number

pith:EY7UI2CB

pith:2018:EY7UI2CBPUDYYL5KCPX4BCCKYU

not attested not anchored not stored refs pending

Partitioning transitive tournaments into isomorphic digraphs

Attila Sali, G\'abor Simonyi, G\'abor Tardos

arxiv:1806.00729 v1 · 2018-06-03 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EY7UI2CBPUDYYL5KCPX4BCCKYU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:14:18.635711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263f4468417d078c2faa13efc0884ac53bb787e7c066426805dab6aa74edbcb0

Aliases

arxiv: 1806.00729 · arxiv_version: 1806.00729v1 · doi: 10.48550/arxiv.1806.00729 · pith_short_12: EY7UI2CBPUDY · pith_short_16: EY7UI2CBPUDYYL5K · pith_short_8: EY7UI2CB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EY7UI2CBPUDYYL5KCPX4BCCKYU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 263f4468417d078c2faa13efc0884ac53bb787e7c066426805dab6aa74edbcb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ddbcdbdfd6a4a2ebbccb205bc6039871ffcb0c80c00069705f1bb34b740da0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-03T02:28:35Z",
    "title_canon_sha256": "f63ab9d1258d14ffa15bd020ece03be217d2980a1f67190866444a6c4156b51d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00729",
    "kind": "arxiv",
    "version": 1
  }
}